1.Open the "Start" menu from the taskbar.
2.Click "All Programs," then click the "Accessories".
3.Click "Command Prompt" to open the "Command Prompt" window. This is where MS-DOS commands can be entered and executed.
4.To access a list of commands, type "help" at the prompt and press "Enter." To learn how to use a specific command, type "help " and press enter.